Ellie Harrison and Matt Baker are in Dorset for the Great Dorset Steam Fair. It is the biggest steam gathering in the UK, and Matt goes behind the scenes meeting the enthusiasts keeping the boilers stoked and wheels oiled.In an echo of Dorset's agricultural past Ellie spends time with a Romany gypsy family. They were once the main seasonal workforce, but now there are few left living the old life. She then meets the lady bringing a bit of tropical heat to Dorset's rural byways, before throwing down the gauntlet to Matt back at the Steam Fair.Julia looks at the efforts being made to help small furry animals cross one busy Kent road. Jules Hudson is in Wales' Elan Valley to find out the part played by its reservoirs in the Dambusters raids. And Adam looks at the threat to livestock from nuisance dogs.